CAS 66981-73-5 appears in our catalog under these names: Tianeptine, Heptanoic acid, 7-[(3-chloro-6,11-dihydro-6-methyl-5,5-dioxidodibenzo[c,f][1,2]thiazepin-11-yl)amino]-, 98%, 98%. Offered by: GLPBio, Biosynth, Chemat. Available pack sizes: 5mg, 100mg, 25mg, 0,1g, 0,25g, 10mg, 50mg, 250mg.